Soil-tilling machine.



- H.- M. DEER. SQIL TILLING MACHINE. 1 APPLICATION FILED 11111.24, 1911.

Patented Nov. 26, 1912.

3 SHEETSr-SHEET 1.

0., WASHINGTON D c H. M. DEER.

SOIL TILLING MACHINE. APPLICATION FILED JAN. 24, 1911.

Patented Nov. 26, 1912.

v M 'm'i mmm J 0 j Z! A Jfl Z? Z4 o I Zfl 0 1! I v ,Z 11 Q l Zak 52 l ol0 0 G I! 1 J o 1/ j 0 I i o I mi im I {Z llll'llllllllllli 1 o fill "I r0 4 g 19 Z?" 0' l i I H I H p. ..W E m!"IHHWHH'H HIH 5 WitnessesInventor I Attorneys.

H. M. DEER.

SOIL TILLING MACHINE.

APPLICATION FILED JAN. 24, 1911.

Patented Nov. 26, 1912.

3 SHEETSSHEET 3.

ttreys.

' Witnesses UNITED STATES PATENT onnio.

HOMER MUNRO DEER, onsnooxrnes, scorn DAKOTA.

SOIL-VTILLINIGF MACHINE.

Specification of Letters Patent.

Patented Nov. 26, 191-2.

Application filed January 24, 1911. Serial No. 604,461.

To all whom it may concern: I

Be it known that I, HOMERM. DERR, a citizen of the United States,residing at Brookings, in the county of Brookings and State. of SouthDakota, have invented a new A further object of the invention is toprovide a novel form of mechanism adapted to neutralize the side draftcaused by the action of a spiral plowing element.

A further object of the invention is to provide a means for neutralizingthe side draft caused by a spiral plow, and so to construct said means,that the same will crush, grind and level the previously plowed soil inadvance ofthe plowing mechanism.

With the above and other objects in view which will appear as thedescription proceeds, the invention resides in the combination andarrangement of parts and in the details of construction hereinafterdescribed and claimed, it being understood that changes in the preciseembodiment of invention herein disclosed can be; made within the scopeof what is claimed without departing from the spirit'of the invention 5In the accompanying drawings,Figure 1 shows in perspective, a motorvehicle equipped withtheplowing mechanism constituting" the subjectmatter of the present invention, parts bemgbroken away; Flg. 2

is a top plan of the plowing mechanism;

Fig. 3 is a rear elevation of the plowing mechanism, the spiral plowbeing removed; Fig. 4 is a section on the line AB of Fig. 2; and Fig. 5is a detailed perspective of one of the shoes which constitute a portionof the plowing mechanism. 4

In Fig. 1 of the drawings, a motor-pr0' p'elled vehicleis shown,thesame, being delineated in the form of a traction engine, whereof thedrive wheelsare denoted by the numeral 1, and theprime mover' by thenumeral 9. Journaled for rotation in the frame of the traction engine,anddisposed transversely of the line of advancement, is a shaft 17,provided with a'pinion 14, meshing into a gear train 13, whereby theshaft 17 is operatively connected with the engine 9, the construction,therefore, being such that, when the engine 9 is operated to ad Vancethe structure, the shaft 17 will be rotated likewise.

The soil tilling mechanism proper, comprises an arched frame 25,preferably fashioned from a channel member. At its free A ends, thearched frame 25 is equipped with bearings 50, receiving the shaft 17 theconstruction being such that the frame 25 is pivotally supported uponthe shaft 17, the "intermediate portion 51 of the arched frame 25extending transversely of the line of draft, to the rear of the wheels1.

or the like, the bearings 23 carrying for r0- tation, a shaft 52,located to the rear of the intermediate portion 51 of the frame 25, theshaft 52 carrying a spiral plow 22. Obviouslyfthrough theinstrumentality of the elements 24, the bearings 23 may be raised andlowered, thereby adjusting the spiral plow 22 vertically, with respectto the soil.

Fixed upon the ends of the shaft 17, are sprocket wheels 18, thesprocket wheels 20 being carried by the ends of the plow shaft 52. Aboutthe sprocket wheels 18 and 20, chains 19 are trained. Fixedto the archedframe 25, adjacent its rear end, are shields 21, coveringthe sprocketwheels 20, and preventing these sprocket wheels and the chains 19 frombecoming clogged with earth, when the frame 25 is drawn along, toexercise its plowing function,in the manner to be described hereinafter.

The sides of the frame-25 are connected by a cross bar 26 which, likethe frame 25, is preferably fashioned from a channel member, the crossbar 26 being spaced slightly from the intermediate portion 51 of thearched frame. As denoted by the numeral 53, braces may be employed. for

uniting the cross bar 26 with the intermediate portion 51 of the archedframe 25.

The invention further includes a plurality of shoes, denoted generallyby the nu- '51 of the arched frame, and to the cross bar 26. Betweentheir ends, the shoes 27' are curved downwardly, as shown at 55, so asto engage properly with the soil, it being understood that when theplowing mechanism is drawn forwardly, the shoes 27, dragging'over thesoil, constitute the means whereby the free, rear portion of'the archedframe 25 is supported. Each shoe is equipped with a depending blade 56,ex-

tended longitudinally of the draft line, the lower edge of the blade 56being downwardly curved, as shown at 57, and the blade beingwedge-shaped in cross section.

The rear extremity of the blade 57 protrudes beyond the shoe proper 27,as shown at 58, to extend beneath the spiral plow 22, the upper, rearedge of the blade 56 being 7 concaved, as shown at 59,'to conformapproximately to the periphery of the spiral plow 22.

Although the device herein disclosed is capable of a wide variety ofuses, it is essentially a soil tilling machine and not a plowingmachine. With the foregoing end in View, it may be presupposed that inmany instances the soil will have been plowed before the structureherein disclosed is employed.

It will be seenthat when the arched frame 25' is drawn forwardly overthe ground, the rear end of the frame will be supported upon the shoes27, the shoes 27 riding over the surface of the ground, and constitutinga means for supporting the rear end of the frame 25. Owing to thecurvature of the shoes, denoted by the numeral 55, the shoes will passreadily over the soil, crushing, grinding and leveling the same. The

blades '56, entering the soil, will tend to neutralize the side draftcaused by the operation of the spiral plow 22, these blades 56,

at the same time, constituting furrow openers, for the spiral plow 22,the plow engaging and spreading the soil which has been compacted andpulverized by the action of the shoes 27.

Special emphasis is laid upon the holdingdown action of the series ofshoes 27, to-

gether with the pressing action of the relatively heavy frame 25 uponwhich the shoes are mounted. The shoes, in combination-with the spiralplow, result in a peculiar operation. I am aware that a spiral plow isnot, broadly speaking, a novel element, but, in so far as I am advisedas to the state of the art, this invent-ion is novel, in that there isprovided,just preceding, and

. relatively near to the cutting edge of the 'while, in the presentinvention, the earth is held down'securely in advance of the spiralplow, whereby clods, sods and the like,'will be sliced and severed bythe action of the low.

It willbe seen that the operation of the shoes 27, ootipera-ting withthe spiral plow 22, will be to compact the soil, for subsequentmanipulation by the plow, to prevent a side draft, and to leave upon thesurface of the soil, a moisture-retaining mulch.

;Through the instrumentality of the gear train13 and the pinion 14E,rotation will be imparted to the shaft 17, rotation being imparted tothe plow shaft 52and to the plow 22, through the medium of the sprocketwheels 18 and 20, and the drive chains 19.

Having thus described the invention, what is claimed is oted thereto; aspiral plow journaled for rotation in the frame, transversely of thedraft line; and earth-engaging shoes carried by the frame, in advance ofthe plow.

2. A device of the class described comprising a supporting structure; aframe pivoted thereto; a spiral plow journaled for ro tation in theframe, transversely of the draft line; and earth-engaging shoes mountedupon the frame in advance ofthe plow, the shoes being equipped withdepending blades. 1

3. A device of the class described com prising a supporting structure; aframe pivoted thereto; a spiral plowjournaled for rotation in the frame,transversely of the draft line; earth-engaging shoes secured to theframe in advance of the plow, the shoes being provided with dependingblades, having curved lower edges, the blades being rearwardly extendedbeneath the plow.

4. A device of the class described comprising a supporting structure;ashaft journaled for rotation therein; a frame pivotally supported uponthe shaft a plow shaft journaled for rotation in the frame; a spiralplow upon the plow shaft; meansfor operatively connecting the shafts;shoes secured to the frame in advance of the plow, the

shoes having depending, earth-engaging blades. 7

5. A device of the class described com wardly curved, for engagementwith the soil,

whenthe device is advanced.

6. A device of the class described comprising a supporting structure; aframe pivoted thereto; a shoe secured to the frame, and provided with adepending, earth-engaging blade; and a spiral plow journaled fplrrotation in the frame, to the rear of the s 0e.

7. A device of the class described comprising a supporting structure; aframe pivoted thereto; a shoe carried by the frame, and downwardlycurved, for engagement with the soil, the shoe having a depending,earth-engaging blade, extended in the direction of the draft line, thelower edge of the blade being curved, and the rear extremity of theblade being extended beyond theshoe; and a plow journaled for rotationin the frame, above the rearwardly extended end of the shoe.

8. A device of the class described comprising a supporting structure; aframe pivoted thereto; a spiral plow journaled for rotation in theframe, transversely of the draft line; and a fixed earth-engaging meansupon the frame in advance of the plow and extending therebeneath, forholding and pulverizing clods while the same are being cut by the plow.

9. A device of the class described comprising a supporting structure; aframe pivoted thereto; fixed means upon the free end of the frame forholding down the soil; and rotary means upon the frame to the rear ofthe fixed means for cutting a slice from the soil while the same is heldby the fixed means.

HOMER MUNRO DERR.

Witnesses:

B. B. BRAOKETT, ROBERTSON 0001:.

Copies of this patent ma; be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

